# JMTJ3400A

**Jiangsu JieJie Microelectronics** · Bipolar (BJT) · SOT-23-3L

JMTJ3400A from Jiangsu JieJie Microelectronics, in a SOT-23-3L. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | G | input | Gate; the datasheet gives Gate-to-Source Voltage as ±12 V maximum, with threshold VGS(th) 0.6 to 1.3 V. |
| 2 | S | passive | Source; continuous drain current is 5.8 A at TA = 25°C and the body diode continuous current IS is 5.8 A max. |
| 3 | D | passive | Drain; Drain-to-Source Voltage is 30 V max, with pulsed drain current of 23 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Jiangsu JieJie Microelectronics |
| Package | SOT-23-3L |
| Category | Transistors/Thyristors |
| Pins | 3 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Drain-to-Source Voltage | VDS |  |  | 30 | V |  | 1 |
| Gate-to-Source Voltage | VGS | -12 |  | 12 | V |  | 1 |
| Continuous Drain Current | ID |  |  | 5.8 | A | TA = 25°C | 1 |
| Continuous Drain Current | ID |  |  | 4 | A | TA = 100°C | 1 |
| Pulsed Drain Current (1) | IDM |  |  | 23 | A |  | 1 |
| Power Dissipation | PD |  |  | 1.3 | W | TA = 25°C | 1 |
| Junction & Storage Temperature Range | TJ, TSTG | -55 |  | 150 | °C |  | 1 |
| Thermal Resistance, Junction to Ambient (2) | RθJA |  |  | 93 | °C/W |  | 1 |
| Drain-Source Breakdown Voltage | V(BR)DSS | 30 |  |  | V | ID = 250µA, VGS = 0V | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | µA | VDS = 30V, VGS = 0V | 2 |
| Gate-Body Leakage Current | IGSS | -100 |  | 100 | nA | VDS = 0V, VGS = ±12V | 2 |
| Gate Threshold Voltage | VGS(th) | 0.6 | 0.95 | 1.3 | V | VDS = VGS, ID = 250µA | 2 |
| Static Drain-Source ON-Resistance | RDS(ON) |  | 20.5 | 26.7 | mΩ | VGS = 10V, ID = 4.2A | 2 |
| Static Drain-Source ON-Resistance | RDS(ON) |  | 22 | 28.6 | mΩ | VGS = 4.5V, ID = 4A | 2 |
| Static Drain-Source ON-Resistance | RDS(ON) |  | 27.1 | 35.2 | mΩ | VGS = 2.5V, ID = 1A | 2 |
| Maximum Continuous Drain to Source Diode Forward Current | IS |  |  | 5.8 | A |  | 2 |
| Maximum Pulsed Drain to Source Diode Forward Current | ISM |  |  | 23 | A |  | 2 |
| Drain to Source Diode Forward Voltage | VSD |  |  | 1.2 | V | VGS = 0V, IS = 5.8A | 2 |

## CAD (KiCad official)

- Symbol: `JMTJ3400A`
- Footprint: `Package_TO_SOT_SMD:SOT-23-3`
- 3D model: SOT-23-3L (KiCad packages3D, STEP)
- 3D model files: `jmtj3400a-etched.step` / `jmtj3400a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `jmtj3400a.step` / `jmtj3400a.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Jiangsu JieJie Microelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603089765726511104) (6 pp, sha256 `98211cf2d1ce04cc`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/jmtj3400a-datasheet.pdf)